graphics twerking, doing a thing

hw3d/App.cpp

@@ -21,5 +21,5 @@ int App::Go()
 
 void App::DoFrame()
 {
-
+	wnd.Gfx().EndFrame();
 }
\ No newline at end of file

hw3d/Graphics.cpp

+#include "Graphics.h"
+
+#pragma comment(lib,"d3d11.lib")
+
+Graphics::Graphics( HWND hWnd )
+{
+	DXGI_SWAP_CHAIN_DESC sd = {};
+	sd.BufferDesc.Width = 0;
+	sd.BufferDesc.Height = 0;
+	sd.BufferDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
+	sd.BufferDesc.RefreshRate.Numerator = 0;
+	sd.BufferDesc.RefreshRate.Denominator = 0;
+	sd.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
+	sd.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
+	sd.SampleDesc.Count = 1;
+	sd.SampleDesc.Quality = 0;
+	sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+	sd.BufferCount = 1;
+	sd.OutputWindow = hWnd;
+	sd.Windowed = TRUE;
+	sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
+	sd.Flags = 0;
+
+	// create device and front/back buffers, and swap chain and rendering context
+	D3D11CreateDeviceAndSwapChain(
+		nullptr,
+		D3D_DRIVER_TYPE_HARDWARE,
+		nullptr,
+		0,
+		nullptr,
+		0,
+		D3D11_SDK_VERSION,
+		&sd,
+		&pSwap,
+		&pDevice,
+		nullptr,
+		&pContext
+	);
+}
+
+Graphics::~Graphics()
+{
+	if( pContext != nullptr )
+	{
+		pContext->Release();
+	}
+	if( pSwap != nullptr )
+	{
+		pSwap->Release();
+	}
+	if( pDevice != nullptr )
+	{
+		pDevice->Release();
+	}
+}
+
+void Graphics::EndFrame()
+{
+	pSwap->Present( 1u,0u );
+}

hw3d/Graphics.h

+#pragma once
+#include "ChiliWin.h"
+#include <d3d11.h>
+
+class Graphics
+{
+public:
+	Graphics( HWND hWnd );
+	Graphics( const Graphics& ) = delete;
+	Graphics& operator=( const Graphics& ) = delete;
+	~Graphics();
+	void EndFrame();
+private:
+	ID3D11Device* pDevice = nullptr;
+	IDXGISwapChain* pSwap = nullptr;
+	ID3D11DeviceContext* pContext = nullptr;
+};
\ No newline at end of file

hw3d/Window.cpp

@@ -95,8 +95,10 @@ Window::Window( int width,int height,const char* name )
 	{
 		throw CHWND_LAST_EXCEPT();
 	}
-	// show window
+	// newly created windows start off as hidden
 	ShowWindow( hWnd,SW_SHOWDEFAULT );
+	// create graphics object
+	pGfx = std::make_unique<Graphics>( hWnd );
 }
 
 Window::~Window()
@@ -134,6 +136,11 @@ std::optional<int> Window::ProcessMessages()
 	return {};
 }
 
+Graphics& Window::Gfx()
+{
+	return *pGfx;
+}
+
 LRESULT CALLBACK Window::HandleMsgSetup( HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam ) noexcept
 {
 	// use create parameter passed in from CreateWindow() to store window class pointer at WinAPI side

hw3d/Window.h

@@ -22,7 +22,9 @@
 #include "ChiliException.h"
 #include "Keyboard.h"
 #include "Mouse.h"
+#include "Graphics.h"
 #include <optional>
+#include <memory>
 
 
 class Window
@@ -63,6 +65,7 @@ public:
 	Window& operator=( const Window& ) = delete;
 	void SetTitle( const std::string& title );
 	static std::optional<int> ProcessMessages();
+	Graphics& Gfx();
 private:
 	static LRESULT CALLBACK HandleMsgSetup( HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam ) noexcept;
 	static LRESULT CALLBACK HandleMsgThunk( HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam ) noexcept;
@@ -74,6 +77,7 @@ private:
 	int width;
 	int height;
 	HWND hWnd;
+	std::unique_ptr<Graphics> pGfx;
 };
 
 

hw3d/hw3d.vcxproj

@@ -148,6 +148,7 @@
     <ClCompile Include="App.cpp" />
     <ClCompile Include="ChiliException.cpp" />
     <ClCompile Include="ChiliTimer.cpp" />
+    <ClCompile Include="Graphics.cpp" />
     <ClCompile Include="Keyboard.cpp" />
     <ClCompile Include="Mouse.cpp" />
     <ClCompile Include="Window.cpp" />
@@ -159,6 +160,7 @@
     <ClInclude Include="ChiliException.h" />
     <ClInclude Include="ChiliTimer.h" />
     <ClInclude Include="ChiliWin.h" />
+    <ClInclude Include="Graphics.h" />
     <ClInclude Include="Keyboard.h" />
     <ClInclude Include="Mouse.h" />
     <ClInclude Include="resource.h" />

hw3d/hw3d.vcxproj.filters

@@ -39,6 +39,9 @@
     <ClCompile Include="ChiliTimer.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Graphics.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="WindowsMessageMap.h">
@@ -68,6 +71,9 @@
     <ClInclude Include="ChiliTimer.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Graphics.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="hw3d.rc">